常見(jiàn)例句雙語(yǔ)例句The combination of rigid waterproof layer and 911 polyurethane waterproofing paint is also used for the roofing.屋面結(jié)構(gòu)采用剛性防水層與911聚氨酯防水涂料相結(jié)合； 返回 rigid waterproof layer